X-ray diffractive imaging of controlled gas-phase molecules: Toward imaging of dynamics in the molecular frame
AuthorKierspel, T; Morgan, A; Wiese, J; Mullins, T; Aquila, A; Barty, A; Bean, R; Boll, R; Boutet, S; Bucksbaum, P; ...
Source TitleJournal of Chemical Physics
PublisherAMER INST PHYSICS
University of Melbourne Author/sMorgan, Andrew
AffiliationSchool of Physics
Document TypeJournal Article
CitationsKierspel, T., Morgan, A., Wiese, J., Mullins, T., Aquila, A., Barty, A., Bean, R., Boll, R., Boutet, S., Bucksbaum, P., Chapman, H. N., Christensen, L., Fry, A., Hunter, M., Koglin, J. E., Liang, M., Mariani, V., Natan, A., Robinson, J. ,... Kuepper, J. (2020). X-ray diffractive imaging of controlled gas-phase molecules: Toward imaging of dynamics in the molecular frame. JOURNAL OF CHEMICAL PHYSICS, 152 (8), https://doi.org/10.1063/1.5133963.
Access StatusAccess this item via the Open Access location
Open Access URLPublished version
We report experimental results on the diffractive imaging of three-dimensionally aligned 2,5-diiodothiophene molecules. The molecules were aligned by chirped near-infrared laser pulses, and their structure was probed at a photon energy of 9.5 keV (λ ≈ 130 pm) provided by the Linac Coherent Light Source. Diffracted photons were recorded on the Cornell-SLAC pixel array detector, and a two-dimensional diffraction pattern of the equilibrium structure of 2,5-diiodothiophene was recorded. The retrieved distance between the two iodine atoms agrees with the quantum-chemically calculated molecular structure to be within 5%. The experimental approach allows for the imaging of intrinsic molecular dynamics in the molecular frame, albeit this requires more experimental data, which should be readily available at upcoming high-repetition-rate facilities.
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